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AbstractAbstract
[en] The effect of low energy argon plasma treatment on the surfaces of polyethylene terephthalate (PET) was investigated by means of contact angle measurement, X-ray photoelectron spectroscopy (XPS), Vickers’ microhardness indentation and atomic force microscopy (AFM). It was observed that the surface free energy (SFE) changes from 42.1 mJ/m2 to 85.1 mJ/m2 with the increase of plasma treatment time and the corresponding contact angle changes from 60o to 15o. The increase in SFE after plasma treatment is attributed to the functionalization of the polymer surface with hydrophilic groups. The XPS analysis shows the increase in C–O and C=O groups after plasma treatment of the polymer surface. The microhardness of the film increases with the treatment time. This may be attributed to the cross linking effect at the surface. Atomic force microscopy (AFM) reveals that average surface roughness increases from 5.8 nm to 49.7 nm as treatment time increases.
Secondary Subject
Source
S0168-583X(12)00496-X; Available from http://dx.doi.org/10.1016/j.nimb.2012.08.010; Copyright (c) 2012 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA)
Record Type
Journal Article
Journal
Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms; ISSN 0168-583X;
; CODEN NIMBEU; v. 289; p. 34-38

Country of publication
ELECTRON SPECTROSCOPY, ELEMENTS, ENERGY, ESTERS, FILMS, FLUIDS, FREE ENERGY, GASES, HARDNESS, MECHANICAL PROPERTIES, MICROSCOPY, NONMETALS, ORGANIC COMPOUNDS, ORGANIC POLYMERS, PHOTOELECTRON SPECTROSCOPY, PHYSICAL PROPERTIES, POLYMERS, RARE GASES, SPECTROSCOPY, SURFACE PROPERTIES, THERMODYNAMIC PROPERTIES
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